Live feed
Filing
SCHEDULE 13D/A
SCHEDULE 13D/A0001104659-26-120319·Gossamer Bio, Inc.
Schedule 13D ownership disclosure
GOSSAMER BIO INC COM
Common Stock, $0.0001 par value per share · CUSIP: 38341P201
Event date: 2026-10-27
Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.
- Filing-level shares
- Unavailable
- Percent of class
- Unavailable
- D. E. Shaw Valence Portfolios, L.L.C.Reported CIK 0001294704
Shares: 243,041.00 · Class: 4.0%
- D. E. Shaw & Co., L.L.C.Reported CIK 0001277502
Shares: 255,431.00 · Class: 4.2%
- D. E. Shaw & Co., L.P.Reported CIK 0001009268
Shares: 255,431.00 · Class: 4.2%
- David E. ShawReported CIK 0001023870
Shares: 255,431.00 · Class: 4.2%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0001104659-26-120319
- Form type
- SCHEDULE 13D/A
- Filer
- Gossamer Bio, Inc.
- CIK
- CIK 1728117
- Filed
- Oct 29, 2026
- Reporting period
- Oct 27, 2026
- Description
- Schedule 13D beneficial ownership